no specs. but I know the history from the designers themselves. This is what I am allowed to share (pretend I didn't tell you and don't ask me any questions please): Estusa bought the mold and had the racquet. Or so they thought. The only bought Boston Garden...the Celtics franchise was not theirs...Boris was upset and found the Pro Vantech to be a royal asspain. Then to rectify the situation and save their contract Boris suggested that Estusa do something revolutionary by (sorry...cant share any more, bye)

Estusa's were great racquets indeed. I knew the bloke who was the main dealer in the UK of them in the mid 90's (when I say main dealer, basically the only), he was left with them until recently, when I think he off loaded them to someone!! No it wasn't me